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Message-ID: <49B860A5.7020805@gmail.com> Date: Thu, 12 Mar 2009 02:08:53 +0100 From: Marcin Slusarz <marcin.slusarz@...il.com> To: Pavel Machek <pavel@....cz> CC: LKML <linux-kernel@...r.kernel.org>, linux-input@...r.kernel.org Subject: Re: [RFC PATCH 2/2] Add virtual "idle" device Pavel Machek wrote: > On Mon 2009-03-02 23:42:52, Marcin Slusarz wrote: >> This virtual device can be used to tell user space about periods of time >> when user didn't "touch" input devices (keyboards, mice, touchpads, joysticks, >> etc). For now it supports only keyboard events. >> >> Notification is done through simple select/poll + ioctl interface. >> >> It can be used to implement screen savers, automatic suspend, >> autoaway/autodisconnect (e.g. in instant messangers) without >> any help from X server and its overhead (context switches). > > I don't think this is good interface; what if you have more than one > seat? Good point. I haven't thought about it. Moreover it wouldn't work with remote X sessions... It could be used on single user systems (like laptops, personal desktops, embedded), but user space couldn't know whether it safe to use it (maybe excluding embedded). > And without mouse handling it is useless anyway, so.... Well, I didn't want to dig too much into input layer just to discover after patch submission that my core functionality is broken :). Marcin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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